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245	1	0	_aCapsaicin, a Component of Red Peppers, Inhibits the Growth of Androgen-Independent, p53 Mutant Prostate Cancer Cells
490	0		_vCancer Research, 66, p.3222-3229, 2006
520	3		_aCapsaicin is the major pungent ingredient in red peppers. Here, we report that it has a profound antiproliferative effect on prostate cancer cells, inducing the apoptosis of both androgen receptor (AR)-positive (LNCaP)and -negative (PC-3, DU-145)prostate cancer cell lines associated with an increase of p53, p21, and Bax. Capsaicin down-regulated the expression of not only prostate-specific antigen (PSA)but also AR. Promoter assays showed that capsaicin inhibited the ability of dihydrotestosterone to activate the PSA promoter/enhancer even in the presence of exogenous AR in LNCaP cells, suggesting that capsaicin inhibited the transcription of PSA not only via downregulation of expression of AR, but also by a direct inhibitory effect on PSA transcription. Capsaicin inhibited NF-K activation by preventing its nuclear migration. In further studies, capsaicin inhibited tumor necrosis factor-A-stimulated degradation of IKBA in PC-3 cells, which was associated with the inhibition of proteasome activity. Taken together, capsaicin inhibits proteasome activity which suppressed the degradation of IKBA, preventing the activation of NF-KB. Capsaicin, when given orally, significantly slowed the growth of PC-3 prostate cancer xenografts as measured by size [75 F 35 versus 336 F 123 mm3 (FSD); P = 0.017]and weight [203 F 41 versus 373 F 52 mg (FSD); P = 0.0006; capsaicin-treated versus vehicletreated mice, respectively]. In summary, our data suggests that capsaicin, or a related analogue, may have a role in the management of prostate cancer.
700	1	2	_aMori, A.
700	1	2	_aLehmann, S.
700	1	2	_aO'Kelly, J.
700	1	2	_aKumagai, T.
700	1	2	_aDesmond, J.C.
700	1	2	_aPervan, M.
700	1	2	_aMcbride, W.H.
700	1	2	_aMcbride, W.H.
700	1	2	_aKoeffler, H.P.
856	4	0	_uhttps://drive.google.com/file/d/1DsDCV9gZCmvD4CUlFvM80sP2P_QD72FE/view?usp=drivesdk _zPara ver el documento ingresa a Google con tu cuenta: @cicy.edu.mx
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